@aws-amplify/storage/dist/esm/internals/apis/listPaths/listPaths.mjs

Storage category of aws-amplify

import { getGlobalContext } from '@aws-amplify/core';
import { assertValidationError } from '../../../errors/utils/assertValidationError.mjs';
import { StorageValidationErrorCode } from '../../../errors/types/validation.mjs';
import { resolveLocationsForCurrentSession } from './resolveLocationsForCurrentSession.mjs';
import { getHighestPrecedenceUserGroup } from './getHighestPrecedenceUserGroup.mjs';

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
async function listPaths(maybeCtx) {
    // Resolve the optional leading context. The global context is resolved at
    // CALL time (never cached) so zero-arg callers follow live configuration.
    const ctx = maybeCtx ?? getGlobalContext();
    const { Storage, Auth } = ctx.resourcesConfig;
    const s3Config = Storage?.S3;
    assertValidationError(!!s3Config, StorageValidationErrorCode.NoS3Config);
    const authConfig = Auth?.Cognito;
    assertValidationError(!!authConfig, StorageValidationErrorCode.NoAuthConfig);
    const { buckets } = s3Config;
    const { groups } = authConfig;
    if (!buckets) {
        return { locations: [] };
    }
    const { tokens, identityId } = await ctx.fetchAuthSession();
    const currentUserGroups = tokens?.accessToken.payload['cognito:groups'];
    const userGroupToUse = getHighestPrecedenceUserGroup(groups, currentUserGroups);
    const locations = resolveLocationsForCurrentSession({
        buckets,
        isAuthenticated: !!tokens,
        identityId,
        userGroup: userGroupToUse,
    });
    return { locations };
}

export { listPaths };
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